Hi Experts,

I need to upgrade IOS on one of my Core-switch 4507.

The present IOS verison is atalyst 4500 L3 Switch Software (cat4500-NTSERVICESK9-M), Version 12.2(31)

I need to upgrade this to 12.2(50) then it will support to run NetflowAnalyser.

Experts can anybody help me out how shall I proceed in terms of download software and upgrade it on present version.

Please find the below present IOS verison details, memory detials and environmental details.

DK-DATACENTER-CORE01#sh memory

Head Total(b) Used(b) Free(b) Lowest(b) Largest(b)

Processor 12750A48 495646132 229929648 265716484 264476724 253322836

DK-DATACENTER-CORE01#sh ver

Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500-ENTSERVICESK9-M), Version 12.2(31)SGA, RELEASE SOFTWARE (fc3)

cisco WS-C4507R (MPC8245) processor (revision 14) with 524288K bytes of memory.

Processor board ID FOX102800F8

MPC8245 CPU at 333Mhz, Supervisor IV

Last reset from PowerUp

50 Virtual Ethernet interfaces

148 Gigabit Ethernet interfaces

403K bytes of non-volatile configuration memory.

DK-DATACENTER-CORE01#sh environment

no alarm

Chassis Temperature = 35 degrees Celsius

Chassis Over Temperature Threshold = 75 degrees Celsius

Chassis Critical Temperature Threshold = 95 degrees Celsius

Power Fan Inline

Supply Model No Type Status Sensor Status

------ ---------------- --------- ----------- ------- -------

PS1 PWR-C45-1400AC AC 1400W good good n.a.

PS2 PWR-C45-1400AC AC 1400W good good n.a.